You state you will never release it avoid take down, and then when it’s done you “accidentally” get “hacked” and let the Streisand effect handle the rest. It’s either that or developing a remake in complete secrecy and drop it on the internet as a fait accompli.

For examples of what happens if you don’t employ underhanded tactics, take a look at AM2R or the Chrono Trigger remake.

The product that he is releasing are the videos of him remaking the game.

For fun? To learn? Having an engaged audience of over 1/4M also helps.

Seems like a fun and clever way to market his game development course

He even pay for the 3D graphics! Essentially he is making ad money, boost his subscribers counts and he is marketing his product sold on the Unity Store.

Releasing the videos scratches the itch enough.

Zen